DGX
+$1.48M
7,232 sh @ $205
DGX
QUEST DIAGNOSTICS INC
SEC CIK 1022079
$195.00
−4.6% · 90 days
90-day buys
$0
0 open-market
90-day sells
$3.57M
2 open-market
Net insider flow
−$3.57M
Net selling
Filings shown
183
Most recent
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At a glance
Over the last 90 days, insiders at DGX have sold a net $3.57M of stock (0 open-market buys vs 2 sells).
Largest recent trade: Rusckowski Stephen H sold $35.04M of DGX, trimming their stake 55%.
Most active filer: Doherty Catherine T., with 44 transactions among the recent filings shown.
Insider transaction history
Form 4 filings for DGX, newest firstDGX
−$687.1K
3,354 sh @ $205
DGX
−$131.3K
632 sh @ $208
DGX
−$109.3K
526 sh @ $208
DGX
−$2.13M
10,000 sh @ $213
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DGX
−$227.6K
1,111 sh @ $205
DGX
−$293.5K
1,433 sh @ $205
DGX
−$2.17M
10,573 sh @ $205
DGX
−$2.09M
10,122 sh @ $206
DGX
−$724.8K
3,500 sh @ $207
DGX
−$337.1K
1,619 sh @ $208
DGX
−$73.4K
351 sh @ $209
DGX
−$1.79M
9,342 sh @ $192
DGX
−$7.88M
41,004 sh @ $192
DGX
−$916K
4,747 sh @ $193
DGX
−$1.49M
7,946 sh @ $187
DGX
−$15.5K
83 sh @ $187
DGX
−$27.2K
144 sh @ $189
DGX
−$32.7K
175 sh @ $187
DGX
−$5.29M
28,288 sh @ $187
DGX
−$153.2K
874 sh @ $175
DGX
−$153.6K
874 sh @ $176
DGX
−$397.6K
2,366 sh @ $168
DGX
−$238.1K
1,411 sh @ $169
DGX
−$119.4K
704 sh @ $170
DGX
−$1.22M
7,249 sh @ $168
DGX
−$827.6K
4,905 sh @ $169
DGX
−$468.7K
2,764 sh @ $170
DGX
−$1.17M
6,950 sh @ $168
DGX
−$995.1K
5,900 sh @ $169
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About DGX insider activity
This page tracks every recent Form 4 filed for QUEST DIAGNOSTICS INC with the U.S. Securities and Exchange Commission. Form 4 is the disclosure that company insiders — officers, directors, and holders of more than 10% of the stock — must file within two business days of buying or selling shares.
The summary above nets open-market purchases against open-market sales over the trailing 90 days. Open-market trades (codes P and S) tend to carry the most signal because they reflect a deliberate choice to put money in or take it out, as opposed to routine grants, option exercises, or tax-withholding events. Use the badges on each row to tell them apart, and always confirm details against the original filing before drawing conclusions.
Frequently asked questions
How often is DGX insider data updated?
Continuously. We read from SEC EDGAR, so new Form 4 filings for QUEST DIAGNOSTICS INC usually appear here within minutes of being accepted by the SEC.
What does "net insider flow" mean?
It is the total dollar value of open-market insider purchases minus open-market sales over the last 90 days. A positive number (green) means insiders bought more than they sold; a negative number (red) means the reverse.
Why do some rows show grants or option exercises instead of buys?
Insiders receive stock through compensation as well as buying it outright. Form 4 captures all of these. We label each transaction by its SEC code so you can focus on open-market activity if you prefer.
Is this investment advice?
No. InsiderSource presents public filing data for informational purposes only. Insider activity is one of many factors to consider and is never a recommendation to buy or sell.